If the U.N. wants developed nations to pay more for CO2 mitigation due to historic emissions by developed nations, should they also ask developing nations to send money the other way for black soot?
Black carbon pollution emerges as major player in global warming - PhysOrg
http://www.physorg.com/news125500721.html
"Black carbon, a form of particulate air pollution most often produced from biomass burning, cooking with solid fuels and diesel exhaust, has a warming effect in the atmosphere three to four times greater than prevailing estimates, according to scientists in an upcoming review article in the journal Nature Geoscience."
"...soot and other forms of black carbon could have as much as 60 percent of the current global warming effect of carbon dioxide, more than that of any greenhouse gas besides CO2."
Some developing nations have been inhabited by fire-burning humans for millions of years.
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